But Teslas appear to be popular in Texas too, even though that state bans Tesla's direct-sales model altogether--requiring buyers to take some unusual steps to purchase a Tesla in the state.

Self-selected browsers

Quantcast ends its article with a caveat, warning that "it’s not clear that browsing behavior from the Model S can foretell the future use of connected cars as a media platform."

The browsing activity it writes about, the company says, "appears to be more reflective of Tesla owners, half of whom live in California and are self-selected to have higher incomes and be early tech adopters."

The analysis also highlights a less-known facet of Tesla's futuristic car: It not only provides ubiquitous fast Internet access, but also lets marketers track those browsing patterns.

Which may not have been something that every Tesla owner has thought too much about.